Fitness belt with heah-giving web weaving "elastic band". Named for medical use such as fitness or plastic surgery. Generally, a 14tex × 2 (42 inches/2) cotton yarn wrapped rubber yarn (coated with a cotton thread in a spiral or a twisted shape on the outside of the rubber yarn) is used as a warp, and 28 tex (21 inches) four yarns are used as weft threads. It is woven on a shuttle loom or a shuttleless loom in plain weave. The width is 3cm, 6.5cm7cm, 7.5cm, 8.5cm, 20.5cm, etc., and the length can be cut as needed. The elongation ratio is 1:2.5. There are bleaching, natural color, color strips, etc. It is characterized by more specifications, good elasticity, simple production process and low price. In addition to medical use, there are also tailored seams made of various elastic body products.